US4376598B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4376598B1 - - Google Patents
Assignee: United States Department of Energy
•
Filing: 1981-04-06
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Granted: 1989-10-17
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Expires: 2001-04-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:53
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/02; C03B5/027; C03B5/0272; B; B09; B09B; B09B1/00; B09C; B09C1/00; B09C1/06; B09C1/067; C03B5/005; E; E02; E02D; E02D3/00; E02D3/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-10-16 | 1993-04-17 | 1993-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-16 | 1997-04-17 | 1997-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-16 | 2001-04-17 | 2001-10-17 | $7700.00 | Window Closed / Lapsed |